Earth & Environmental Sciences
animal production
100%
excretion
75%
cattle
71%
mitigation
65%
greenhouse gas
61%
life cycle
57%
methane
53%
sustainability
53%
nitrogen
33%
farm
24%
animal
23%
fiber
21%
protein
20%
ruminant
18%
emission levels
17%
feces
16%
developed country
15%
starch
14%
urine
14%
trade-off
14%
fermentation
12%
greenhouse gas emissions
12%
animal welfare
10%
crop
10%
nutrient
9%
decision
8%
pollutant
8%
climate change
8%
effect
8%
production system
7%
loss
7%
cost
7%
food chain
7%
food security
7%
product
6%
eutrophication
6%
simulation
6%
Agriculture & Biology
methane production
75%
marker-assisted selection
70%
methane
68%
feed intake
35%
cows
9%
energy intake
9%
milk production
8%
body weight
5%
genetic variation
5%
energy content
5%
Medicine & Life Sciences
Methane
97%
Energy Intake
17%
Genetic Variation
17%
Global Warming
14%
Body Weight
12%
Climate Change
12%
Milk Proteins
11%
Ruminants
11%
Population Biological Variation
10%
Animals
8%
Milk
8%
Uncertainty
8%
Cattle
7%
Fats
6%
Maintenance
6%
Diet
6%